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参数资料
| 型号： | RV5C348A |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | XO, clock |
| 英文描述： | 4-WIRE SERIAL INTERFACE |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO10 |
| 封装： | 4 X 2.90 MM, 1.20 MM HEIGHT, 0.50 MM PITCH, SSOP-10 |
| 文件页数： | 13/45页 |
| 文件大小： | 1276K |
| 代理商： | RV5C348A |
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Rx5C348A/B
Example of Alarm Time Setting
Alarm
Day-of-week
12-hour mode
24-hour mode
Preset alarm time
Sun.
Mon.
Tue.
Wed.
Th.
Fri.
Sat.
10
hr.
1
hr.
10
min.
1
min.
10
hr.
1
hr.
10
min.
1
min.
WW0
WW1
WW2
WW3
WW4
WW5
WW6
00:00 a.m. on all days
1
2
0
01:30 a.m. on all days
1
0
1
3
0
1
3
0
11:59 a.m. on all days
1
5
9
1
5
9
00:00 p.m. on Mon. to Fri.
0
1
0
3
2
0
1
2
0
01:30 p.m. on Sun.
1
0
2
1
3
0
1
3
0
11:59 p.m.
on Mon. ,Wed., and Fri.
0
1
0
1
0
1
0
3
1
5
9
2
3
5
9
Note that the correspondence between WW0 to WW6 and the days of the week shown in the above table is
only an example and not mandatory.
Alarm_D Register (Address B-Ch)
Alarm_D Minute Register (Address Bh)
D7
D6
D5
D4
D3
D2
D1
D0
-
DM40
DM20
DM10
DM8
DM4
DM2
DM1
(For Writing)
0
DM40
DM20
DM10
DM8
DM4
DM2
DM1
(For Reading)
0
Indefinite
Default Settings *)
Alarm_D Hour Register (Address Ch)
D7
D6
D5
D4
D3
D2
D1
D0
-
DH20
DP
/A
DH10
DH8
DH4
DH2
DH1
(For Writing)
0
DH20
DP
/A
DH10
DH8
DH4
DH2
DH1
(For Reading)
0
Indefinite
Default Settings *)
*)
Default settings:
Default value means read / written values when the XSTP bit is set to “1” due to VDD
power-on from 0v or oscillation stopping
*
The D5 bit represents DP/A when the 12-hour mode is selected (0 for a.m. and 1 for p.m.) and DH20
when the 24-hour mode is selected (tens in the hour digits).
*
The Alarm_D registers should not have any non-existent alarm time settings.
(Note that any mismatch between current time and preset alarm time specified by the Alarm_D registers
may disable the alarm interrupt circuit.)
*
When the 12-hour mode is selected, the hour digits read 12 and 32 for 0a.m. and 0p.m., respectively.
(See "P12
Control Register 1 (ADDRESS Eh) (2) /12
24: 12-/24-hour Mode Selection Bit")
12345
Rev.2.01
- 20 -
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相关代理商/技术参数 |
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|---|---|
| RV5C348B | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RV5C386A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
| RV5C386A_03 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION |
| RV5C386A-E2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
| RV5C387A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:I2C-bus Real-Time Clock ICs with Voltage Monitoring Function |
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